#!/bin/bash
# Helper::Steam Compatibility Tools
# Expects below formats (called directly from steam client, supports any ambiguous application through chainloading)
# Launch current game while forcing native support (games steam doesn't list such feature for)
# $this waitforexitandrun /full/path/to/steam/game/binary
# Launch arbitrary EP process while emulating being a steam game in question (chainloading, may enable Remote Play Together etc.)
# $this waitforexitandrun /full/path/to/steam/game/binary "ENTRYPOINTNAME" --cd "ACTUALWORKINGDIR" ..ALLENTRYPOINTARGUMENTS..
_C_scriptName="$(basename -- "$(realpath -- "$0")")"
_C_scriptDir="$(dirname -- "$(realpath -- "$0")")"


# Support for generic native execution (no steam helpers support)
[ "$1" = "waitforexitandrun" ] || exit 0
args=("${@:2}")

# Support for routing arbitrary EP through current steam app (expects ep_* next to itself)
argIndex=0
for arg in "${args[@]}"; do
  [[ "$arg" == "ep_"* ]] && break
  ((argIndex++))
done
if [ "${#args[@]}" -ne "$argIndex" ]; then
  # Set correct Entry Point
  argSwap=("${args[@]}")
  args=("$_C_scriptDir/${argSwap[$argIndex]}")
  ((argIndex++))
  
  # Restore expected working directory (if any)
  if [[ "${argSwap[$argIndex]}" == "--cd" ]]; then
    ((argIndex++))
    cd "${argSwap[$argIndex]}"
    ((argIndex++))
  fi

  # Set corrent args for Entry Point
  args+=("${argSwap[@]:$argIndex}")
fi

# for arg in "${args[@]}"; do
#   echo "ARG: $arg"
# done

# Execute requested command
echo "Command routed as [steam://run/$STEAM_COMPAT_APP_ID]:"
echo "cd $(pwd)"
echo "exec ${args[@]}"
exec "${args[@]}"